92% Nylon, 8% Spandex. Feels like tights. Stretchy material. Great for yoga, or lounging. I wear mine under a pair of short running shorts. There is a waterfall stitching that goes from the waist to the inner thighs down and round to the ankle. Wearing my personal pair in the pic. One Size fits XS, S, M best. MEASUREMENTS TAKEN FLAT and unstretched. Waist: 12.5" Inseam: 25" Rise: reaches belly button These stretch to a lot more. I am usually a 4/6 women's pant size. Offers are welcomed.